naiveproxy/content/common/dwrite_font_proxy.mojom

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2018-08-15 01:19:20 +03:00
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module content.mojom;
import "mojo/public/mojom/base/file.mojom";
import "mojo/public/mojom/base/file_path.mojom";
import "mojo/public/mojom/base/string16.mojom";
struct DWriteStringPair {
mojo_base.mojom.String16 first;
mojo_base.mojom.String16 second;
};
struct DWriteFontStyle {
uint16 font_weight;
uint8 font_slant;
uint8 font_stretch;
};
struct MapCharactersResult {
uint32 family_index;
mojo_base.mojom.String16 family_name;
uint32 mapped_length;
float scale;
DWriteFontStyle font_style;
};
interface DWriteFontProxy {
// Locates the index of the specified font family within the system
// collection.
[Sync]
FindFamily(mojo_base.mojom.String16 family_name) => (uint32 out_index);
// Returns the number of font families in the system collection.
[Sync]
GetFamilyCount() => (uint32 out_count);
// Returns the list of locale and family name pairs for the font family at the
// specified index.
[Sync]
GetFamilyNames(uint32 family_index)
=> (array<DWriteStringPair> out_family_names);
// Returns the list of font file paths in the system font directory that
// contain font data for the font family at the specified index.
[Sync]
GetFontFiles(uint32 family_index)
=> (array<mojo_base.mojom.FilePath> file_paths,
array<mojo_base.mojom.File> file_handles);
// Locates a font family that is able to render the specified text using the
// specified style. If successful, the family_index and family_name will
// indicate which family in the system font collection can render the
// requested text and the mapped_length will indicate how many characters can
// be rendered. If no font exists that can render the text, family_index will
// be UINT32_MAX and mapped_length will indicate how many characters cannot be
// rendered by any installed font.
[Sync]
MapCharacters(mojo_base.mojom.String16 text,
DWriteFontStyle font_style,
mojo_base.mojom.String16 locale_name,
uint32 reading_direction,
mojo_base.mojom.String16 base_family_name)
=> (MapCharactersResult out);
};